N-Methyliminodiacetic acid is an organic compound with the formula CH3N(CH2CO2H)2.

It is a white solid, which as its conjugate base CH3N(CH2CO−2)2 is used as a chelating agent for iron.

[2] It is a component of organoboron reagents as well.

[3] It is prepared from imidodiacetic acid by N-methylation using the Eschweiler–Clarke reaction:[4] MIDA boronates are derivatives with the formula CH3N(CH2CO2)2BR, where R is a cross-coupling partner.

[5]